Yes, people overreact to short term trends. Here's a quote from a BAexpat whinging back in
2012:
So I just got back from the supermarket where I bought a 1KG bag of coffee beans. Ristretto Cabrales - not exactly fancy. And I bought it in Moreno - not exactly fancy. At Carrefour - not exactly a fancy supermarket. 157 pesos!:eek::eek: WTH. If I were in the US, I could buy a 36 oz bag of...
baexpats.org
In my experience going back over 15 years. 80% of the time prices are say 1/2 of the US. 10% of the time, prices approach the US (unleash the whinging). The other 10% of the time the prices are super bargains, approaching 1/3 the price of the US - under this scenario you won't hear a peep from the BAexpats.